1000+ Advanced Surveying MCQ for JEE Main [Solved]

1. The sun's declination remains north between
A. March 21 to June 21
B. June 21 to September 21
C. September 21 to December 21
D. Both (a) and (b) of above
Answer : D

2. Pick up the correct statement from the following:
A. The sun's right ascension increases for 0 h to 24 h when it returns to the First point of Aries
B. The maximum declination of the sun increases up to 23 ½° N on about 21st June
C. The minimum declination of the sun is zero' on 22nd September
D. All the above
Answer : D

3. Perspective centre relates to
A. Parallel projection
B. Orthogonal projection
C. Central projection
D. None of these
Answer : C

4. The position of the sun when its north declination is maximum is known as
A. Vernal equinox
B. Autumnal equinox
C. Summer solstice
D. Winter solstice
Answer : C

5. Rotation of the camera at exposure about its vertical axis, is known as
A. Swing
B. Tilt
C. Tip
D. None of these
Answer : A

6. Latitude of a place is the angular distance from
A. Greenwich to the place
B. Equator to the poles
C. Equator to the nearer pole
D. None of these
Answer : D

7. H is the flying height above mean ground level and f is the principal distance of a vertical photograph. The mean scale of the photographs is
A. H. f
B. H/f
C. f/H
D. H + f
Answer : C

8. Right ascension of a heavenly body is its equatorial angular distance measured
A. Westward from the first point of Libra
B. Eastward from the first point of Aeries
C. Westward from the first point of Aeries
D. Eastward from the first point of Libra
Answer : B

9. The height displacement on a vertical photograph
A. Increases as the horizontal distance increases from the principal point
B. Increases as the ground elevation increases
C. Decreases as the flying height increases
D. All the above
Answer : D

10. The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
A. Principal point
B. Isocenter
C. Plumb point
D. Perspective centre
Answer : B

11. Triangulation surveys are carried out for providing
A. Planimetric control
B. Height control
C. Both planimetric and height control
D. None of these
Answer : C

12. Pick up the incorrect statement from the following. High oblique photographs
A. May have tilt up to 30°
B. May include the image of the horizon
C. May not include the image of the horizon
D. None of these
Answer : D

13. Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as
A. Swing
B. Tilt
C. Tip
D. None of these
Answer : C

14. The correction applied to the measured base of length L is
A. Tension = (P - Ps)L/AE
B. Sag = L³w²/24P² where w is the weight of tape/m
C. Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports
D. All the above
Answer : D

15. The equation which is obtained by multiplying each equation by the coefficient of its un-knowns and by adding the equations thus formed, is known as
A. Observation equation
B. Conditional equation
C. Normal equation
D. None of these
Answer : C

16. The shortest distance between two places measured along the surface of the earth, is
A. Length of the equator between their longitudes
B. Length of the parallel between their longitudes
C. Length of the arc of the great circle passing through them
D. None of these
Answer : C

17. The moon rotates round the earth once in every
A. 29 days
B. 29.35 days
C. 29.53 days
D. 30 days
Answer : B

18. The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called
A. Visible horizon
B. Sensible horizon
C. Celestial horizon
D. True horizon
Answer : B

19. In a tropical year, the numbers of sidereal days are
A. One less than mean solar days
B. One more than mean solar days
C. Equal to mean solar days
D. None of these
Answer : B

20. The solar tidal force divided by lunar tidal force is
A. 1/3
B. 1/2
C. 3/4
D. 5/4
Answer : B

21. The time interval between successive transits of the moon, is
A. 24 hours 10 minutes
B. 20 hours 25 minutes
C. 24 hours 50 minutes
D. 23 hours 50 minutes
Answer : C

23. The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height H is 100 m. If mean photo base is 95.2 mm, the flying height is
A. 8,000 m
B. 10,000 m
C. 12,000 m
D. 14,000 m
Answer : C

24. The flying height of the camera is 1, 000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is
A. 52 m
B. 62 m
C. 72 m
D. 82 m
Answer : C

25. If ? and ? be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is
A. ? - ?
B. ? - ?
C. ? + ?
D. ½ (? - ?)
Answer : B

26. The angle between the observer's meridian and declination circle of a heavenly body, is known as
A. Hour angle
B. Azimuth
C. Right ascension
D. Declination
Answer : A

27. Pick up the in-correct statement from the following:
A. Correction for refraction is always negative
B. Correction for parallax is always positive
C. Correction for semi-diameter is always negative
D. Correction for dip is always negative
Answer : C

28. According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of
A. Tangents of two adjacent parts
B. Sines of two adjacent parts
C. Cosines of two adjacent parts
D. Both (a) and (b) above
Answer : D

29. From the principal point the horizon point lies on the principal line at a distance of
A. f tan ?
B. f sin ?
C. f cot ?
D. f cos ?
Answer : A

30. The coverage is least if photography is
A. High oblique
B. Low oblique
C. Vertical
D. None of these
Answer : C

31. The orthogonal projection of the perspective centre on a tilted photograph, is called
A. Nadir
B. Isocenter
C. Principal point
D. Plumb point
Answer : C

32. The point at which sun's declination changes from north to south, is known as
A. First point of Aeries
B. First point of Libra
C. Vernal Equinox
D. Both (b) and (d) of the above
Answer : D

33. The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is
A. 22° 30'
B. 23° 27'
C. 23° 30'
D. 24° 0'
Answer : B

34. If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is
A. 30°
B. 35°
C. 40°
D. 45°
Answer : C

35. Homologous point is
A. Photo principal point
B. Ground principal point
C. Ground isocenter
D. All the above
Answer : D

36. For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through
A. Isocenter
B. Plumb point
C. Principal point
D. None of these
Answer : A

37. Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.
A. By subtracting their longitudes if places are in the same hemisphere
B. By adding their longitudes if places are in the different hemispheres
C. By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres
D. All the above
Answer : C

38. In triangulation surveys
A. The area is divided into triangular figures
B. Control stations are located from which detailed surveys are carried out
C. Sides are not measured excepting the base line
D. All the above
Answer : D

39. Pick up the correct statement from the following:
A. Refraction correction is zero when the celestial body is in the zenith
B. Refraction correction is 33' when the celestial body is on the horizon
C. Refraction correction of celestial bodies depends upon their altitudes
D. All the above
Answer : D

40. The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
A. Rational horizon
B. True horizon
C. Celestial horizon
D. All the above
Answer : D

41. The nautical mile is the length of
A. 1 minute of latitude
B. 1 minute of longitude
C. 1 degree of latitude
D. 1 degree of longitude
Answer : B

42. For mapping any country
A. Geodetic triangulation of greatest possible sides and accuracy is carried out
B. Primary triangles are broken down into secondary triangles of somewhat lesser accuracy
C. Secondary triangles are further broken intothird and fourth order triangles, the points of which are used for detail surveys
D. All the above
Answer : D

43. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is
A. 80°
B. 70°
C. 60°
D. 50°
Answer : C

44. The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on
A. March 21
B. June 21
C. September 21
D. December 22
Answer : D

45. The principal plane contains
A. Nadir point
B. Iso centre
C. Principal point
D. All the above
Answer : D

46. The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is
A. 5100 nautical miles
B. 5700 nautical miles
C. 120 nautical miles
D. 500 nautical miles
Answer : B

47. The value of geo-centric parallax to be added to the observed altitude of sun is
A. 9 cos ?
B. 9 sin ?
C. 9 tan ?
D. 9 cot ?
Answer : A

48. If ? is the observed altitude, the refraction correction in seconds, is
A. 58 cot ?
B. 58 tan ?
C. 58 sin ?
D. 58 cos ?
Answer : A

49. The following points form a pair of homologous points:
A. Photo principal point and ground principal point
B. Photo isocenter and ground isocenter
C. Photo plumb point and ground plumb point
D. All the above
Answer : D

50. Longitudes are measured from 0° to
A. 180° eastward
B. 180° westward
C. 180° east or westward
D. 360° eastward
Answer : C